diff --git a/package-lock.json b/package-lock.json
index f90ee57791..c888b3926b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "graphql",
-  "version": "15.2.0",
+  "version": "15.3.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 9788b9887e..0ad0dcd5dd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "graphql",
-  "version": "15.2.0",
+  "version": "15.3.0",
   "description": "A Query Language and Runtime which can target any service.",
   "license": "MIT",
   "private": true,
diff --git a/src/version.js b/src/version.js
index 9b2d5ee2ad..bf632144b5 100644
--- a/src/version.js
+++ b/src/version.js
@@ -8,14 +8,14 @@
 /**
  * A string containing the version of the GraphQL.js library
  */
-export const version = '15.2.0';
+export const version = '15.3.0';
 
 /**
  * An object containing the components of the GraphQL.js version string
  */
 export const versionInfo = Object.freeze({
   major: 15,
-  minor: 2,
+  minor: 3,
   patch: 0,
   preReleaseTag: null,
 });